El Paso is a city in and the county seat of El Paso County, Texas, United States. The 2020 population of the city from the U.S. Census Bureau …El Paso is a city in and the county seat of El Paso County, Texas, United States. The 2020 population of the city from the U.S. Census Bureau was 678,815, making it the 22nd-most populous city in the U.S., the most populous city in West Texas, and the sixth-most populous city in Texas. Its metropolitan statistical area covers all of El Paso and Hudspeth counties in Texas, and had a population of 868,859 in 2020.